save project

diy1.py

@@ -10,12 +10,14 @@ pen.hideturtle()
 pen1=turtle.Pen()
 pen1.pensize(10)
 pen1.color('#285078', '#a0c8f9')
+# 借助变量
+len=60
 pen1.begin_fill()
 pen1 .left(45)
-pen1.forward(100)
-pen1.circle(50,180)
+pen1.forward(2*len)
+pen1.circle(len,180)
 pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
+pen1.circle(len,180)
+pen1.forward(2*len)
 pen1.end_fill()
 turtle.done()
\ No newline at end of file